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230815343 = 11186711239
BaseRepresentation
bin11011100000111…
…11011001101111
3121002022122010102
431300133121233
5433042042333
634523101315
75501620013
oct1560373157
9532278112
10230815343
1110931aa90
126537183b
1338a86435
1422924543
15153e4ae8
hexdc1f66f

230815343 has 8 divisors (see below), whose sum is σ = 251955840. Its totient is φ = 209701080.

The previous prime is 230815337. The next prime is 230815349. The reversal of 230815343 is 343518032.

It is an interprime number because it is at equal distance from previous prime (230815337) and next prime (230815349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230815343 - 26 = 230815279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230815349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14918 + ... + 26156.

It is an arithmetic number, because the mean of its divisors is an integer number (31494480).

Almost surely, 2230815343 is an apocalyptic number.

230815343 is a deficient number, since it is larger than the sum of its proper divisors (21140497).

230815343 is a wasteful number, since it uses less digits than its factorization.

230815343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13117.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 230815343 is about 15192.6081697647. The cubic root of 230815343 is about 613.4157058619.

The spelling of 230815343 in words is "two hundred thirty million, eight hundred fifteen thousand, three hundred forty-three".

Divisors: 1 11 1867 11239 20537 123629 20983213 230815343